Laboratornaia Rabota Vyiavlenie Narushenii Osanki 8 Klass Now

Next came the "Ruler Test." Sasha measured the distance between the wall and Denis’s neck, and then the wall and his lower back. 3.5 cm (Normal)

The classroom smelled of chalk dust and floor wax as the Grade 8 biology students gathered for their favorite kind of lesson: a lab day. Today's mission was "Laboratory Work: Detection of Posture Disorders."

By the end of the hour, the lab journals were filled with data. Mr. Petrov walked around, looking at their findings.

"You're missing your head and heels at the same time," Sasha noted, scribbling in her journal. "When you touch your heels, your head tilts forward. That’s a sign of 'forward head' posture from too much gaming." Step 2: Measuring the Curves